Plane.



P. D. STINE.

PLANE.

APPLIOA'I'ION FILED AUG.21, 1912.

L74 821 Patented 0011.7, 1913.

QZAKMQ M.

' Afro/run ilNlED TATF4 PATENT @FFilQE.

FRANK I). STINE, OF KANSAS CITY, MISSOURI, ASSIGNOR OF ONE-HfikLF TO H. E. CLARK, OF MNSAS CITY, MISSOURI.

PLANE.

To all whom it may concern Be itknown that I, FRANK D. STINE, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Planes; and I do declare the following to be a full, clear, and eXact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.

My invention relates to planes, and more particularly to a class known as a rabbet plane, the principal object of the invention being to provide a plane of that type having a bit adapted for quick removal or adjustment on the body of the tool, and adj ustable knives for marking a path in front of the bit.

A further object of the invention is to provide the tool with an adjustable guide member whereby it may be held in vertical position when moved over a flat surface.

A further object of the invention is to provide the new and improved details of structure hereinafter described, claimed, and illustrated in the accompanying drawings, wherein Figure 1 is a perspective view of a plane constructed in accordance with my inven tion, showing its application to a flat surface, and cotiperation with a temporary guide strip which is located adjacent the guide member. Fig. II is an elevational view of the opposite side of the plane. Fig. 111 is a vertical sectional View on the line IlI--III, Fig. I. Fig. IV is a sectional view on the line IVIV, Fig. II. Fig. V is a perspective view of one of the side cutting blades and its mountings. Fig. V1 is a detail view of the clamping device.

Referring more in detail to the parts 1 designates the body of the plane which is provided with a rear handle 2 and a forward knob 3, and whose lower edge 4 is finished to a uniform thickness, the height of the finished portion being the total depth the plane can cut.

Projecting from the inner surface of the body and inclined downwardly and .forwardly toward the front is a shelf 5, having a bowed upper surface, the lower end Specification of Letters Patent.

Application filed August 21, 1912.

Patented @ct. F, 1913.

Serial No. 716,246.

of which lies adjacent a slot 6, which extends through the body in front of and par allel with the shelf 5.

Adjustably secured to the upper surface of shelf 5, by a screw 7, is a bit 8, comprising a plate portion 9, one edge of which is adapted to project through the slot 6 and lie flush with the opposite surface of the plane, the other edge being projected laterally from the inner face of the plane to a desired width, the width of the out being determined by the width of the particular bit selected, each, however, having a slot 10 extending longitudinally near its center and provided with a laterally opening mouth 10 which opens from the inner side of the bit so that the screw 7 may enter the groove from the side.

Revolubly mounted in shelf 5 is a shaft 11, having a gear wheel 12 rigidly secured on its upper end, which meshes with teeth 13 on the underside of the bit, the opposite end of the shaft being provided with a thumb nut 14, which is accessible from the outside of the plane.

Projecting laterally from the body 1, above the gear wheel 11 and bit 8, is a boss 15, and threaded through said boss is a thumb screw 16, which is adapted to bear onthe top of bit 8 and spring same over the bowed surface of shelf 5, to clamp the bit beneath screw 7 and hold it rigidly in place.

it is apparent that by slightly loosening screw 16 teeth 13 will be lifted slightly from gear 12, and to free the bit 8, so that by turning the thumb nut 14 it may be raised and lowered to regulate the depth of the out.

Slidably mounted in a vertical, dovetailed groove 1-. near the forward end of body 1 is a knife 18, having a vertical slot 18 through which a screw 19 is projected into said body for holding the knife in adjustable position.

Mounted on pins 20 which are slidably mounted in apertures in the plane body, and extending parallel with the face of the plane opposite the knife 18, is a bracket 21, having rigid bosses 22 and an adjustable screw 22 on the inner face, the beveled inner faces of which form a dovetailed channel for holding a knife 23, which is held in place when set by tightening the screw head against the edge of the knife.

A set screw 24 is located in the upper having downturned ends 26 projected into sockets 2'? in a guide bar 28 and pivotally connected therewith by pins 29, the rods being held frictionally in an adjusted position by the set screws 30 which extend through the top of the plane body and impinge thereagainst.

The bar 28 is adapted to travel along the surface upon which the plane is working and against a guide strip 32 which may be nailed to the surface.

On the outside of the plane is a depth gage 33 having a slotted shank 3% adapted for engagement by a thumb nut 35 in such a manner that the gage may be set and secured for any depth.

In use, a bit is placed on shelf 5, so that screw 7 enters slot 10 through the laterally opening mouth 10 and is moved upwardly and laid closely against the body of the plane. The screw 16 is then slightly lowered, and the thumb nut 14 turned to adjust the cutting edge to the proper depth, at which point the screw 16 is turned to its limit to tighten the bit in place. The knife 18 is always in line with the outside cutting edge, but the knife 28 may be adjusted laterally and secured in line with the inside cut ting edge, so that when the plane is moved forwardly the auxiliary knives will mark the path of the chisel knife.

If it is desired to cut a rabbet, the guide 28 is lowered to the limit of its pivotal mounting, and firmly set by set screws 30 so that the inside edge thereof may move along the edge of the board, while the bit cuts its way downwardly, and the'knives 18 and 23 are clearing the corners of the slot.

When it is desired to cut a mortise for stair work or the like, a strip 32 is temporarily nailedto the board the guide 28 spaced a desired distance from the body of the plane, and the set screws 30 t-ensioned so as to exert frictional resistance on rods 25.

As the plane cuts into the piece, the operator presses downwardly on the plane body to lower same relative to the rods 25 and the guide bar, the rods slipping over the set screws to allow the plane body to lower. Vith this arrangement the plane may be guided along a flat surface and cut a vertical groove.

It is readily apparent that a bit may be quickly and easily inserted without loosening or tightening the screw 7, as the surface as to clamp tightly beneath the head thereof.

Having thus described my invention, what I claim as new therein and desire to secure by Letters-Patent, 1s

1. A rabbet plane comprising a body por tion having a laterally projecting shelfpro V '60 .of the shelf 5 allows the bit to be sprung so vided with a curved upper surface, means at upper and lower positions on the shelf for bmdmg a bit, and a'bit adapted for appl cation to the shelf and engagement by; the

binding means, for the purpose set forth.

' 2. A rabbet plane comprising a body member having a laterally directed and longitudinally curved shelf, a keeper at one end of the shelf, a tooth member near the opposite end of the shelf, a bit adapted to overlie the shelf and having an opening for receiving said keeper and havlng a rack face adapted for engaging the tooth member, a boss on the body portion overlying the shelf, and a setscrew on said boss adapted for engaging the bit binding the same to said curved shelf and moving the rack portion thereof against the tooth member, substan tially as set forth.

3. In a rabbet plane, a body member having a laterally directed and longitudinally curved shelf, a stud on said shelf, a bit having a longitudinal slot adapted to receive ing a laterally directed and longitudinallyeurved shelf,a retaining member near one end of said shelf, a bit having a laterally opening slot adapted for receiving said retaining member, and means on the body of the plane for engaging said bit andbinding the same to the curved shelf and thereby against the retaining member.

In testimony whereof I aflix my signature in presence oftwo witnesses.

FRANK D, ST-INE. V

Witnesses: V LEWIS L. MILLER, LETA 13]. Comm.

copies of. this patent may be obtained for five cents each, by addressing the Gommissionerof Ifatents, Washington, D. G. 

